---

yaml
---
r: 36662
b: refs/heads/try2
c: 3657d56
h: refs/heads/master
v: v3

Author: erickt

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: eb8fd119c65c67f3b1b8268cc7341c22d39b7b61
 refs/heads/try: d324a424d8f84b1eb049b12cf34182bda91b0024
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 645bd98b602500ef910685eeeb899df298221e35
+refs/heads/try2: 3657d5606d7ea5607a0670341a57c3ef20202ea0
 refs/heads/incoming: d9317a174e434d4c99fc1a37fd7dc0d2f5328d37
 refs/heads/dist-snap: 22efa39382d41b084fde1719df7ae8ce5697d8c9
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try2/src/libcore/send_map.rs

@@ -428,6 +428,25 @@ pub mod linear {
             option::unwrap(move value)
         }
     }
+
+    impl<K:Hash IterBytes Eq, V: Eq> LinearMap<K, V>: cmp::Eq {
+        pure fn eq(&self, other: &LinearMap<K, V>) -> bool {
+            if self.len() != other.len() { return false; }
+
+            for self.each |key, value| {
+                match other.find_ref(key) {
+                    None => return false,
+                    Some(v) => if value != v { return false },
+                }
+            }
+
+            return true;
+        }
+
+        pure fn ne(&self, other: &LinearMap<K, V>) -> bool {
+            !self.eq(other)
+        }
+    }
 }
 
 #[test]
@@ -538,4 +557,22 @@ pub mod test {
             Some(v) => assert *v == 2
         }
     }
+
+    #[test]
+    pub fn test_eq() {
+        let mut m1 = ~LinearMap();
+        m1.insert(1, 2);
+        m1.insert(2, 3);
+        m1.insert(3, 4);
+
+        let mut m2 = ~LinearMap();
+        m2.insert(1, 2);
+        m2.insert(2, 3);
+
+        assert m1 != m2;
+
+        m2.insert(3, 4);
+
+        assert m1 == m2;
+    }
 }